firewalls
Digital access blockers
Firewalls are barriers designed to prevent fire from spreading—walls of fire-resistant material built into structures.
The term now dominates in computing, where a firewall is software or hardware that monitors network traffic and blocks unauthorized access: The company's firewall prevented the intrusion.
To firewall something is to isolate it protectively: We need to firewall this project from the budget cuts.
Packet-forwarding network device
- switchCircuit-breaking toggle device
- NATIP address remapping protocol
- DMZWeapon-free border zone
- VPNEncrypted network connection
gateway · proxy · port · TCP/IP · traffic · ruleset · ACL · perimeter
Malware detection program
- encryptionConverting data into code
- authenticationConfirming genuine identity
- sandboxingIsolating untrusted code
- quarantineIsolation preventing disease transmission
signature · heuristic · detection · prevention · IDS · IPS · endpoint · defense
Approved access roster
- blacklistRecord of prohibited entities
- rulesetCollection of governing principles
- allowGrant permission for
- blockSolid mass, or impede
deny · filter · configuration · permissions · logging · audit · compliance · GDPR
Harmful computer programs
- hackersUnauthorized computer system intruders
- intrusionUnauthorized entry into space
- phishingFraudulent credential harvesting
- ransomwareHostage-taking code
botnet · DDoS · zero-day · exploit · breach · cyberattack · worm · spyware
Barrier separating spaces
- separationState of being apart
- containmentPreventing hostile expansion
- compartmentEnclosed subdivision of space
- bulkheadInternal vessel barrier
fire-stop · damper · seal · caulking · intumescent · gypsum · drywall
router
Packet-forwarding network device
VPN · gateway · proxy · port · TCP/IP · traffic · ruleset · ACL · perimeter · appliance
antivirus
Malware detection program
- encryptionConverting data into code
- authenticationConfirming genuine identity
- sandboxingIsolating untrusted code
quarantine · signature · heuristic · detection · prevention · IDS · IPS · endpoint · defense · shielding
whitelist
Approved access roster
- blacklistRecord of prohibited entities
- rulesetCollection of governing principles
- allowGrant permission for
block · deny · filter · configuration · permissions · logging · audit · compliance · GDPR · HIPAA
malware
Harmful computer programs
- hackersUnauthorized computer system intruders
- intrusionUnauthorized entry into space
- phishingFraudulent credential harvesting
ransomware · botnet · DDoS · zero-day · exploit · breach · cyberattack · worm · spyware · vulnerability
partition
Barrier separating spaces
- separationState of being apart
- containmentPreventing hostile expansion
- compartmentEnclosed subdivision of space
bulkhead · fire-stop · damper · seal · caulking · intumescent · gypsum · drywall
- networkingrouter, routers, LAN, WAN, switches
- cyber borderssplinternet, balkanization, walled gardens, geo-blocking, content filtering
- internetinternet, websites, web, browsers, web browsers
- computingcomputer, computers, software, hardware, code
- digital technologyinternet, software, streaming, computers, CGI
- internet termsinternet, email, URL, router, download
firewallsopen ports
backdoors · security holes · vulnerabilities · exploits · attack vectors
firewallsopen access
Free public scholarly content
public access · free passage · open architecture · open doors
- firewall breachBypassed network protection